Im trying to make a server for me and my friends. I have no mods on it, (yet) but i keep getting this on the terminal right before it closes out. it insist even open long enogth m=for me to log on .this is my most resent crash report thanks in advance.

 

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 2025-05-01 18:17:25
Description: Exception in server tick loop

java.lang.IllegalStateException: Failed to initialize server
    at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:676) ~[server-1.21.5-20250325.162830-srg.jar%23141!/:?] {re:classloading,pl:accesstransformer:B}
    at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:276) ~[server-1.21.5-20250325.162830-srg.jar%23141!/:?] {re:classloading,pl:accesstransformer:B}
    at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.21.5
    Minecraft Version ID: 1.21.5
    Operating System: Linux (amd64) version 6.11.0-19-generic
    Java Version: 21.0.6, Ubuntu
    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Ubuntu
    Memory: 99161192 bytes (94 MiB) / 233832448 bytes (223 MiB) up to 1004535808 bytes (958 MiB)
    CPUs: 2
    Processor Vendor: GenuineIntel
    Processor Name: Intel(R) Pentium(R) CPU B950 @ 2.10GHz
    Identifier: Intel64 Family 6 Model 42 Stepping 7
    Microarchitecture: Sandy Bridge (Client)
    Frequency (GHz): 2.10
    Number of physical packages: 1
    Number of physical CPUs: 2
    Number of logical CPUs: 2
    Graphics card #0 name: 2nd Generation Core Processor Family Integrated Graphics Controller
    Graphics card #0 vendor: Intel Corporation (0x8086)
    Graphics card #0 VRAM (MiB): 256.00
    Graphics card #0 deviceId: 0x0106
    Graphics card #0 versionInfo: unknown
    Virtual memory max (MiB): 5743.06
    Virtual memory used (MiB): 3361.15
    Swap memory total (MiB): 3828.00
    Swap memory used (MiB): 811.72
    Space in storage for jna.tmpdir (MiB): <path not set>
    Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
    Space in storage for io.netty.native.workdir (MiB): <path not set>
    Space in storage for java.io.tmpdir (MiB): available: 421206.25, total: 467297.75
    Space in storage for workdir (MiB): available: 421206.25, total: 467297.75
    JVM Flags: 0 total;
    Server Running: true
    Active Data Packs: vanilla, mod_data, mod/neoforge
    Available Data Packs: minecart_improvements, redstone_experiments, trade_rebalance, vanilla, mod/neoforge, mod_data
    Enabled Feature Flags: minecraft:vanilla
    World Generation: Stable
    World Seed: -7131934175611965967
    Suppressed Exceptions: ~~NONE~~
    Is Modded: Definitely; Server brand changed to 'neoforge'
    Type: Dedicated Server (map_server.txt)
    ModLauncher: 11.0.4+main.d2e20e43
    ModLauncher launch target: neoforgeserver
    ModLauncher services:
        sponge-mixin-0.15.2+mixin.0.8.7.jar mixin PLUGINSERVICE
        loader-7.0.10.jar slf4jfixer PLUGINSERVICE
        loader-7.0.10.jar runtime_enum_extender PLUGINSERVICE
        at-modlauncher-11.0.2.jar accesstransformer PLUGINSERVICE
        loader-7.0.10.jar runtimedistcleaner PLUGINSERVICE
        modlauncher-11.0.4.jar mixin TRANSFORMATIONSERVICE
        modlauncher-11.0.4.jar fml TRANSFORMATIONSERVICE
    FML Language Providers:
        [email protected]
        [email protected]
    Mod List:
        server-1.21.5-20250325.162830-srg.jar             |Minecraft                     |minecraft                     |1.21.5              |Manifest: NOSIGNATURE
        neoforge-21.5.63-beta-universal.jar               |NeoForge                      |neoforge                      |21.5.63-beta        |Manifest: NOSIGNATURE
    Crash Report UUID: 99fdd6a6-3898-4cfe-ab2c-80b1ace92081
    FML: 7.0.10
    NeoForge: 21.5.63-beta

Edited May 2May 2 by Redemporer555

13 hours ago, Redemporer555 said:

NeoForge: 21.5.63-beta

You would probably be better served looking for support where NeoForge support is given, I believe their discord server.